US 12,281,248 B2
Organic light-emitting element using polycyclic aromatic derivative compound
Sung-hoon Joo, Cheongju-si (KR); Byung-sun Yang, Cheongju-si (KR); Su-jin Kim, Cheongju-si (KR); Ji-hwan Kim, Cheongju-si (KR); Hyeon-jun Jo, Cheongju-si (KR); Sung-eun Choi, Cheongju-si (KR); Bong-ki Shin, Cheongju-si (KR); Young-hwan Park, Cheongju-si (KR); Shuichi Hayashi, Tokyo (JP); Takeshi Yamamoto, Tokyo (JP); Shunji Mochizuki, Tokyo (JP); and Yuta Hirayama, Tokyo (JP)
Assigned to SFC CO., LTD., Cheongju-si (KR); and HODOGAYA CHEMICAL CO., LTD., Tokyo (JP)
Appl. No. 17/296,347
Filed by SFC CO., LTD., Cheongju-si (KR); and HODOGAYA CHEMICAL CO., LTD., Tokyo (JP)
PCT Filed Nov. 28, 2019, PCT No. PCT/KR2019/016612
§ 371(c)(1), (2) Date May 24, 2021,
PCT Pub. No. WO2020/111830, PCT Pub. Date Jun. 4, 2020.
Claims priority of application No. 10-2018-0151781 (KR), filed on Nov. 30, 2018; and application No. 10-2019-0154524 (KR), filed on Nov. 27, 2019.
Prior Publication US 2022/0102635 A1, Mar. 31, 2022
Int. Cl. H01L 51/00 (2006.01); C07F 5/02 (2006.01); C07F 11/00 (2006.01); C09K 11/06 (2006.01); H10K 85/30 (2023.01); H10K 85/60 (2023.01); H10K 50/15 (2023.01); H10K 50/16 (2023.01); H10K 50/17 (2023.01); H10K 50/844 (2023.01)
CPC C09K 11/06 (2013.01) [C07F 5/02 (2013.01); C07F 5/027 (2013.01); C07F 11/00 (2013.01); H10K 85/322 (2023.02); H10K 85/626 (2023.02); H10K 85/633 (2023.02); H10K 85/636 (2023.02); H10K 85/6572 (2023.02); H10K 85/6574 (2023.02); H10K 85/6576 (2023.02); H10K 85/658 (2023.02); C07B 2200/05 (2013.01); C09K 2211/1018 (2013.01); C09K 2211/1022 (2013.01); H10K 50/15 (2023.02); H10K 50/16 (2023.02); H10K 50/171 (2023.02); H10K 50/844 (2023.02)] 24 Claims
 
1. An organic electroluminescent device comprising a first electrode, a second electrode opposite to the first electrode, a light emitting layer interposed between the first and second electrodes, and a capping layer formed on one of the surfaces of the first and second electrodes opposite to the light emitting layer, wherein the light emitting layer comprises a compound represented by Formula A-5 and the capping layer comprises a compound represented by Formula B:

OG Complex Work Unit Chemistry
wherein each Z is independently CR or N, Y1 and Y2 are identical to or different from each other and are each independently selected from the group consisting of CR2R3, O, S, Se, and SiR4R5, Y3 and Y4 are identical to or different from each other and are each independently selected from the group consisting of CR2R3, and SiR4R5, X is selected from the group consisting of B, P, P═S, and P═O, and R, R2 to R5 are identical to or different from each other and are independently selected from the group consisting of hydrogen, deuterium, substituted or unsubstituted C1-C30 alkyl, substituted or unsubstituted C6-C50 aryl, substituted or unsubstituted C3-C30 cycloalkyl, substituted or unsubstituted C2-C50 heteroaryl, substituted or unsubstituted C1-C30 alkoxy, substituted or unsubstituted C6-C30 aryloxy, substituted or unsubstituted C1-C30 alkylthioxy, substituted or unsubstituted C5-C30 arylthioxy, substituted or unsubstituted C1-C30 alkylamine, substituted or unsubstituted C5-C30 arylamine, substituted or unsubstituted C1-C30 alkylsilyl, substituted or unsubstituted C5-C30 arylsilyl, nitro, cyano, and halogen, with the proviso that R are optionally bonded to each other or are optionally linked to other adjacent R to form alicyclic or aromatic monocyclic or polycyclic rings whose carbon atoms are optionally substituted with one or more heteroatoms selected from the group consisting of N, S, and O atoms, and

OG Complex Work Unit Chemistry
wherein R41 to R43 are identical to or different from each other and are each independently selected from the group consisting of hydrogen, deuterium, substituted or unsubstituted C1-C20 alkyl, substituted or unsubstituted C6-C50 aryl, substituted or unsubstituted C7-C50 arylalkyl, substituted or unsubstituted C3-C30 cycloalkyl, substituted or unsubstituted C1-C30 alkylsilyl, substituted or unsubstituted C6-C30 arylsilyl, and halogen, L31 to L34 are identical to or different from each other and are each independently single bonds or selected from the group consisting of substituted or unsubstituted C6-C50 arylene and substituted or unsubstituted C2-C50 heteroarylene, Ar31 to Ar34 are identical to or different from each other and are each independently selected from the group consisting of substituted or unsubstituted C6-C50 aryl and substituted or unsubstituted C2-C50 heteroaryl, n is an integer from 0 to 4, provided that when n is 2 or greater, the aromatic rings containing R43 are identical to or different from each other, m1 to m3 are integers from 0 to 4, provided that when both m1 and m3 are 2 or more, the R41, R42, and R43 groups are identical to or different from each other, and hydrogen or deuterium atoms are bonded to the carbon atoms of the aromatic rings to which R41 to R43 are not attached.